Tepco aims to dismantle Fukushima water tanks from 2025
Tokyo Electric Power Company Holdings aims to begin dismantling tanks used for storing treated wastewater in 2025. The tanks are now empty following water discharges into the Pacific since August last year.
Tepco released a total of 62,400 metric tons of treated water from its meltdown-stricken Fukushima No. 1 nuclear power plant in eight rounds of discharges over the past year.
Investigations by the government and Tepco into the surrounding sea areas have shown that the concentration of the radioactive substance tritium, contained in the treated water, is far below the safety limit. Last month, the International Atomic Energy Agency published a report that the water releases meet international safety standards………. (Subscribers only)
Japan Times 26th Aug 2024
https://www.japantimes.co.jp/news/2024/08/26/japan/fukushima-water-tanks-dismantle/
A robot’s attempt to get a sample of the melted nuclear fuel at Japan’s damaged reactor is suspended
An attempt to use an extendable robot to remove a fragment of melted fuel from a wrecked reactor at Japan’s tsunami-hit nuclear plant has been suspended due to a technical issue
abc news, By MARI YAMAGUCHI Associated Press, August 22, 2024,
TOKYO — An attempt to use an extendable robot to remove a fragment of melted fuel from a wrecked reactor at Japan’s tsunami-hit Fukushima Daiichi nuclear power plant was suspended Thursday due to a technical issue.
The collection of a tiny sample of the debris inside the Unit 2 reactor’s primary containment vessel would start the fuel debris removal phase, the most challenging part of the decadeslong decommissioning of the plant where three reactors were destroyed in the March 11, 2011, magnitude 9.0 earthquake and tsunami disaster.
The work was stopped when workers noticed that five 1.5-meter (5-foot) pipes used to maneuver the robot were placed in the wrong order and could not be corrected within the time limit for their radiation exposure, the plant operator Tokyo Electric Power Company Holdings said.
The pipes were to be used to push the robot inside and pull it back out when it finished. Once inside the vessel, the robot is operated remotely from a safer location.
The robot can extend up to about 22 meters (72 feet) to reach its target area to collect a fragment from the surface of the melted fuel mound using a device equipped with tongs that hang from the tip of the robot.
The mission to obtain the fragment and return with it is to last two weeks. TEPCO said a new start date is undecided…………………………………………………………….
The government and TEPCO are sticking to a 30-40-year cleanup target set soon after the meltdown, despite criticism it is unrealistic. No specific plans for the full removal of the melted fuel debris or its storage have been decided. https://abcnews.go.com/Technology/wireStory/robots-attempt-sample-melted-nuclear-fuel-japans-damaged-113049701
Japan: Removal of nuclear fuel remains in Fukushima will begin on August 22
the first step it will be the recovery of “a few grams” of spent fissile fuel from the plant’s nuclear reactor no. 2.
Large-scale removal of semi-melted fuel rods is expected to be undertaken early in the next decade
Tokyo, August 20 2024, https://www.agenzianova.com/en/news/Japan-the-removal-of-the-remains-of-nuclear-fuel-in-Fukushima-will-begin-on-August-22/
Tokyo Electric Power Company (Tepco), operator of the Japanese Fukushima Daiichi nuclear power plant, will begin on August 22 the delicate operations to recover the remains of nuclear fuel from the reactors damaged in the 2011 disaster. The company announced today that the first step it will be the recovery of “a few grams” of spent fissile fuel from the plant’s nuclear reactor no. 2. Plans call for the gradual expansion of operations to unit #3.
Large-scale removal of semi-melted fuel rods is expected to be undertaken early in the next decade. The removal of radioactive debris contained in the power plant’s reactors is considered the most difficult challenge in the process of decommissioning and disposing of the infrastructure, which was seriously damaged following the devastating earthquake and subsequent tsunami that hit north-eastern Japan 12 years ago. In all, around 880 tonnes of radioactive debris will have to be removed from reactors number 1, 2 and 3 at the nuclear power plant.
Japan: Radioactive water leaks reported at crippled Fukushima power plant
Economic Times 14 Aug 24
About 25 tons of radioactive water have leaked within the crippled Fukushima Daiichi Nuclear Power Plant, the plant’s operator has reported, a week after the latest round of ocean discharge started.
Tokyo: About 25 tons of radioactive water have leaked within the crippled Fukushima Daiichi Nuclear Power Plant, the plant’s operator has reported, a week after the latest round of ocean discharge started.
The nuclear-contaminated water, which leaked from a surge tank connected to the Unit 2 reactor building, was meant to be contained in a tank receiving overflow from the spent nuclear fuel pool, reports Xinhua news agency, quoting Tokyo Electric Power Company (TEPCO).
Accumulating on the first basement level of the reactor building, the leaked water led to a rise in the level of contaminated water already present in the area, TEPCO introduced on Tuesday, confirming that the contaminated water had not escaped outside the reactor building.
The leak was first identified last Friday when a decrease in the water level of the surge tank was detected, according to TEPCO, which, upon further investigation, discovered water flowing into a drain in a room on the third floor of the reactor building…………………………. https://energy.economictimes.indiatimes.com/amp/news/japan-radioactive-water-leaks-reported-at-crippled-fukushima-power-plant/112522815?fbclid=IwY2xjawErZw1leHRuA2FlbQIxMQABHSWwmPKOPQUA1lBz87XbNFrQ3wk0wpyhN7qtxdfQuEx-DbXmtfHad_QMGg_aem_4DBCWO0jAgCiBqQbTvKONA
Latest leak accident in Fukushima ‘once again exposes management chaos of TEPCO’
By Liu Xin Aug 14, 2024 https://www.globaltimes.cn/page/202408/1318029.shtml
The recent report of 25 tons of radioactive water leaking from Tokyo Electric Power Company (TEPCO)’s troubled Fukushima Daiichi Nuclear Power Plant once again exposes TEPCO’s internal management chaos. It also highlights the unreliability and risks associated with Japan’s moves to dump nuclear-contaminated wastewater into the sea, analysts said.
Approximately 25 tons of water containing radioactive materials leaked into the spent fuel cooling pool of Reactor Unit 2 in the Fukushima plant. TEPCO has stopped water injection into the pool and is investigating the cause of the leak. To ascertain the precise location of the leak and its underlying cause, TEPCO plans to deploy robotic equipment for an inspection scheduled for this week, Japanese media NHK reported on Tuesday.
Although TEPCO claims that there has been no discharge into the outside environment, the report raises concerns about Japan’s current practice of dumping nuclear-contaminated wastewater into the sea given TEPCO’s notorious history of cover-ups related to the Fukushima disaster, analysts said.
This incident exposes TEPCO’s internal management chaos and disorganization. Lü Chao, a research fellow at the Liaoning Academy of Social Sciences said that both TEPCO and the Japanese government bear major responsibility for handling the Fukushima nuclear-contaminated wastewater and should be transparent about any incident that has occurred in Fukushima.
Despite using the International Atomic Energy Agency (IAEA)’s report as a shield, Japan continues to dump nuclear-contaminated wastewater into the ocean, disregarding objections from neighboring countries and calls for international oversight. If this attitude continues, it could lead to further catastrophic incidents, causing severe and irreversible damage to the ocean and the environment, Lü told the Global Times on Wednesday.
As of press time on Wednesday, IAEA has not responded to Global Times’ inquiries on the incident.
This is not the first time this has happened in the Fukushima plant. In February, approximately 5.5 tons of wastewater, which may contain 22 billion becquerels of radioactive materials such as cesium and strontium have leaked from equipment at the nuclear power plant. Also, in October, 2023, five workers were accidentally splashed with liquid containing radioactive materials while cleaning at the Fukushima No. 1 nuclear power plant, according to Japanese media.
On August 7, despite persistent opposition at home and abroad, Japan started its eighth round of dumping of nuclear-contaminated wastewater into the Pacific Ocean. In response, the spokesperson for the Chinese Embassy in Japan said in a statement that Japan is irresponsibly shifting potential pollution risks onto the entire world. It is continuously discharging nuclear-contaminated wastewater into the ocean without addressing international concerns about the safety of the discharge, the long-term reliability of the purification equipment and the effectiveness of monitoring arrangements.
The spokesperson urged Japan to fully cooperate in establishing a comprehensive, independent and effective long-term international monitoring arrangement involving relevant stakeholders, including neighboring countries.
Fukushima nuclear fuel debris retrieval to start as early as August
August 14, 2024 (Mainichi Japan)
The operator of the crippled Fukushima nuclear power plant plans to begin
retrieving debris that contains melted nuclear fuel at one of the three
meltdown-hit reactors as early as this month, with the unit to be the first
to undergo the procedure. The removal of the radioactive debris is
considered one of the most challenging tasks in decommissioning the
Fukushima Daiichi plant, whose reactors were severely damaged by the loss
of cooling functions triggered by the 2011 earthquake and tsunami in
northeastern Japan.
https://mainichi.jp/english/articles/20240814/p2g/00m/0bu/004000c
Fukushima plant ends 7th round of treated water release into sea
Tokyo Electric Power Co. announced that it has completed the third round of
treated radioactive water discharge from the stricken Fukushima No. 1
nuclear power plant in this fiscal year. About 7,800 tons of filtered water
were released from storage tanks into the Pacific Ocean after being diluted
by a large volume of seawater, the company said on July 16. This was the
seventh batch of treated water dumped into the sea since TEPCO began the
discharge program in August last year. The utility plans four more rounds
of discharge before the current fiscal year ends in March.
Asahi Shimbun 17th July 2024
Japan starts 7th discharge of Fukushima nuclear-contaminated wastewater despite opposition
https://news.cgtn.com/news/2024-06-28/news-1uNrsTbwBm8/p.html
Japan on Friday started the seventh round of release of nuclear-contaminated wastewater from the crippled Fukushima Daiichi Nuclear Power Plant into the Pacific Ocean.
Despite opposition from local fishermen, and residents as well as backlash from the international community, Tokyo Electric Power Company (TEPCO), the plant’s operator, started releasing the radioactive wastewater in the morning, the third round in fiscal 2024.
Just like the previous rounds, about 7,800 tonnes of wastewater will be discharged from about a kilometer off the coast of Fukushima Prefecture via an underwater tunnel until July 16.
According to TEPCO, the company will begin dismantling empty storage tanks after the wastewater has been discharged around January next year.
There are approximately 1,000 storage tanks at the Fukushima plant because of its continued production of wastewater. TEPCO plans to dismantle 21 of these tanks over about one year starting next January, which will free up 2,400 square meters of space.
There is still uncertainty when it comes to the decommissioning schedule of the Fukushima plant and the measures to deal with contaminated wastewater, Masahide Kimura, a member of a Japanese anti-nuclear campaign group, told Xinhua.
The collapse of houses, the destruction of roads and the ground uplift along the coast caused by the recent Noto Peninsula Earthquake have warned us that nuclear power plants should not be operated in Japan, an archipelago prone to earthquakes, Kimura said.
Hit by a 9.0-magnitude earthquake and an ensuing tsunami on March 11, 2011, the Fukushima nuclear plant suffered core meltdowns that released radiation, resulting in a level-7 nuclear accident, the highest on the International Nuclear and Radiological Event Scale.
The plant has been generating a massive amount of water tainted with radioactive substances from cooling down the nuclear fuel in the reactor buildings. The contaminated water is now being stored in tanks at the nuclear plant.
Despite furious opposition both at home and abroad, the ocean discharge of the Fukushima nuclear-contaminated water began in August 2023.
Specialised device tried to recover melted fuel at Fukushima plant
By FUMI YADA/ Staff Writer, June 19, 2024 [includes VIDEO] , Asahi Shimbun
KOBE–A specialized device resembling a fishing rod will be used to “hook” tiny bits of melted nuclear fuel debris from one of three damaged reactors at the stricken Fukushima No. 1 nuclear power plant.
Plant operator Tokyo Electric Power Co. said the work is expected to begin no later than October and will be done on a trial basis.
The equipment was shown to reporters on May 28.
The removal of melted fuel is regarded as the trickiest phase of decommissioning work, because the wrecked facility is still plagued by extremely high levels of radiation.
TEPCO plans to remove a few grams of melted nuclear fuel from the No. 2 reactor because radiation levels there are relatively low.
An extendable pipe to be used for the delicate maneuver was demonstrated at a facility in Kobe operated by Mitsubishi Heavy Industries Ltd.
Designed like a fishing pole, the 22-meter-long device was inserted into a model of the pedestal to support the reactor’s pressure vessel.
The aim was to ascertain whether pebbles representing fuel debris could be grasped with the claw-like arm……………………more https://www.asahi.com/ajw/articles/15288064
Fukushima nuclear debris removal to begin as early as August
Crucial work at devastated plant has been delayed for three years
AYAKA OTAKA, Nikkei staff writer, May 31, 2024,
TOKYO — Trial removal of melted fuel rods at the tsunami-hit Fukushima Daiichi nuclear plant will begin as early as August, Tokyo Electric Power Co. Holdings announced on Thursday, a critical step in a decommissioning process that is expected to take decades.
Removal of the fuel rods, which is now three years behind schedule, had been slated to start by October, but TEPCO now says it will happen between August and October. Necessary equipment will be set up at the plant in northeastern Japan as early as July.
“We will continue to proceed with the work carefully, with safety as our top priority, so as not to impact the surrounding environment,” said Akira Ono, the TEPCO official in charge of decommissioning efforts.
The radioactive debris consists of fuel and other materials that melted, then cooled and solidified, after the plant lost power in the devastating March 2011 tsunami. An estimated 880 tonnes of debris are in reactor units 1 to 3.
As the melted fuel is highly radioactive, people cannot come near it, and removal must be done in small amounts to prevent leakage during the process.
A device similar to a fishing rod will be used to carry out the work. On Tuesday, a video was released showing the device being tested at a Mitsubishi Heavy Industries shipyard in Kobe, using a full-scale model of a nuclear reactor.
According to TEPCO, a 3- to 4-meter cable with a mechanical claw will be hung from the device down towards the bottom of the reactor. Less than 3 grams can be collected at a time.
Shortening shifts to reducing workers’ exposure to radiation will be necessary. The trial removal is expected to take about two weeks.
Removal was originally to be carried out in 2021. The plan was to use a robot arm to remove the debris, but development of the arm was delayed. A large amount of non-fuel debris blocking access also caused delays………………………………
The government has said that it will take 30 years to 40 years from the 2011 incident to decommission the plant.
The reactor building cannot be dismantled unless the debris is removed. Cooling water, as well as rainwater, that comes in contact with the debris becomes contaminated.
TEPCO began releasing treated wastewater in August 2023, but as long as the debris remains, the cycle of water being contaminated and requiring treatment and release will continue.
Some critics say the government’s decommissioning plan is unrealistic. The process could take more than 100 years, say some scientists in the Atomic Energy Society of Japan. After the Chernobyl nuclear disaster in the former Soviet Union, decommissioning was abandoned, and a shelter structure was built to completely cover the area with radioactive waste.
There is also the issue of how to dispose of soil and rubble contaminated by scattered radioactive materials. The government has promised to transport this waste outside of Fukushima prefecture by 2045, but a destination has not been decided. https://asia.nikkei.com/Spotlight/Environment/Fukushima-nuclear-debris-removal-to-begin-as-early-as-August
A robot will soon try to remove melted nuclear fuel from destroyed Fukushima reactor
THE ASSOCIATED PRESS, May 29, 2024, https://www.asahi.com/ajw/articles/15284702
The operator of Japan’s destroyed Fukushima No. 1 nuclear power plant demonstrated Tuesday how a remote-controlled robot would retrieve tiny bits of melted fuel debris from one of three damaged reactors later this year for the first time since the 2011 meltdown.
Tokyo Electric Power Company Holdings plans to deploy a “telesco-style” extendable pipe robot into Fukushima No. 2 reactor to test the removal of debris from its primary containment vessel by October.
That work is more than two years behind schedule. The removal of melted fuel was supposed to begin in late 2021 but has been plagued with delays, underscoring the difficulty of recovering from the magnitude 9.0 quake and tsunami in 2011.
During the demonstration at the Mitsubishi Heavy Industries’ shipyard in Kobe, western Japan, where the robot has been developed, a device equipped with tongs slowly descended from the telescopic pipe to a heap of gravel and picked up a granule.
TEPCO plans to remove less than 3 grams (0.1 ounce) of debris in the test at the Fukushima plant.
“We believe the upcoming test removal of fuel debris from Unit 2 is an extremely important step to steadily carry out future decommissioning work,” said Yusuke Nakagawa, a TEPCO group manager for the fuel debris retrieval program. “It is important to proceed with the test removal safely and steadily.”
About 880 tons of highly radioactive melted nuclear fuel remain inside the three damaged reactors. Critics say the 30- to 40-year cleanup target set by the government and TEPCO for Fukushima Daiichi is overly optimistic. The damage in each reactor is different, and plans must accommodate their conditions.
Better understanding the melted fuel debris from inside the reactors is key to their decommissioning. TEPCO deployed four mini drones into the No. 1 reactor’s primary containment vessel earlier this year to capture images from the areas where robots had not reached.
“Bouncing-back” and other resilience neologisms championed by the state are inherently at odds with the irreversibility of nuclear waste.
Rhetoric of resilience
Recovery of the state or recovery of the people?
Beyond Nuclear International By Mia Winther-Tamaki, 12 May 24
The Japanese people and landscapes still feel the unending impacts of a nuclear catastrophe that occurred a dozen years ago. Thousands of black bags litter the Fukushima exclusion zone enclosing radioactive earth and rubbish with nowhere to go. Japan has begun releasing millions of tons of radioactive wastewater into the sea. The death and destruction of the earthquake and tsunami — a tragedy in itself — was compounded by nuclear calamity…………………….
The Japanese government was responsible for not only creating the circumstance of neglect that caused the nuclear meltdown, but also for exacerbating the impacts of nuclear fallout through a delayed and opaque response that downplayed the severity of the catastrophe…………….
Following the nuclear disaster, Japan shifted to a necessary post-disaster survival and recovery strategy that can be characterized by the term “resilience,” defined by the United Nations Office for Disaster Risk Reduction as the ability to “resist, absorb, accommodate to and recover from the effects of a hazard in a timely and efficient manner, including through…preservation and restoration…”………………………………………………………………………..
“Bouncing-back” and other resilience neologisms championed by the state are inherently at odds with the irreversibility of nuclear waste. The Japanese translation of resilience, “fukkō” (復興), was employed as a catchphrase in building “apparatuses of [capital] capture” out of crisis, according to Sabu Kohso in his 2020 book Radiation and Revolution. In what Kohso calls the “nuclear capitalist nation-state,” the government endeavored to “build back better” and rejuvenate the national economy amidst an unprecedented crisis by implementing a series of fukkō reforms. These reforms included cuts in public spending, tax incentives targeted at international investors and the procurement of construction contracts, all of which ultimately proved advantageous for nuclear corporations and other private actors in the “business of reconstruction.”
The government used the disaster conveniently for profit-making, further transferring the nation’s wealth to the elites, while further immiserating the people. TEPCO exempted itself from responsibility for the nuclear meltdown when it referred to radiation as a “masterless object” (無主物), therefore absolving any self-accountability for cleaning up the radiation emitted from TEPCO’s own nuclear reactors.
Strategic documents such as the government’s 2012 white paper titled, “Toward a Robust and Resilient Society” were published with the intention of “nurturing the dreams and hopes of the people,” ………………………………………………………………….
While enlisting idealistic language and visions of a future, the Japanese state failed to provide basic amenities, housing, resources and support for the Japanese people who had essentially become nuclear refugees. The state divisively categorized evacuees as either “mandatory” or “voluntary,” based on the proximity of their homes to the site of the nuclear meltdown, though it has been shown that deadly levels of radioactivity persisted far outside mandatory zoned areas.
……………………………………………………………..The media ignored the resistance movement, dismissing the public’s widespread anticipation and anxiety about future nuclear accidents, and instead toed the government’s line about nuclear energy as safe.
Community-driven resilience led by activists focused on a diverse range of concerns, including anti-capitalism, feminism and environmentalism. Spearheading this resistance were mothers and those who work to provide everyday needs, tirelessly organizing networks of information-sharing and support. For the sake of their children and loved ones, those in caregiving roles questioned the government’s opaque reports of radiation levels, though they were often denigrated as “hysterical” and “paranoid” by authorities and other family members, according to Kohso. Within the confines of Japan’s patriarchal society, which frequently undermines the value of womens’ knowledge, female activists subverted norms that “freed them from a degree of social control, giving them greater freedom to mobilize.”
Author Nicole Frieiner documents how women mobilized resistance in informal digital spaces, such as a Facebook group named “Fukushima Network for Saving Children from Radiation,” and a blog titled “Connecting Mother’s Blog.” They created safe and accessible spaces that supported alternative points of connection for people across the world. Artists were also crucial to the Fukushima nuclear resistance.
………………………………………………………………… Survivors of Fukushima must live not only with the trauma caused by the earthquake, tsunami and nuclear meltdown, but also that which followed in the ambiguous aftermath — years of a violent lack of acknowledgement, dignity and respect from public authorities………………………………………………………. more https://beyondnuclearinternational.org/2024/05/12/rhetoric-of-resilience/
Inside abandoned ghost town at Fukushima after nuclear power plant meltdown
Tokyo Matilda from Sheffield is one of the few to visit the nuclear ghost town of Fukushima in Japan
Mirror UK, Cecilia Adamou, 5 May 24
Tokyo Matilda, a 20-year-old from Sheffield, England, embarked on a mission to delve into this deserted ghost town of Fukushima in Japan. The area was subject to disaster when the Fukushima Daiichi Nuclear Power Plant nearby went into meltdown following the 2011 earthquake and subsequent tsunami, leaking toxic nuclear waste into the environment and deeming it uninhabitable due to radiation.
As residents evacuated the town, never to return, it is now frozen in time and has been left subject to the elements for the 13 years since the catastrophe. What remains is an abandoned, apocalyptic wasteland similar to the setting of the Fallout games and TV series. The only people that remain are those trying to bring it back from extinction.
While visiting the disaster site, Tokyo explored a theme park, a school and even a ramen café that have all been empty since 2011. She said: “It reminded me of Fallout as it had such a heavy apocalyptic feeling. The only people who were walking around were the workers who try everyday to get rid of the radiated soil and to make it safe once again.”
The danger of radiation poisoning was a very real risk for Tokyo as she explored the many sights. She explained: “The hospital was the highest radiated place we explored located in the Red Zone. We had the fear of staying too long and having radiation sickness, I have never been as scared as I was in there.”…………………. more https://www.mirror.co.uk/news/weird-news/inside-abandoned-ghost-town-fukushima-32696396
Corrosion found in treated radioactive water tanks at Fukushima plant
Apr. 21 , https://japantoday.com/category/national/corrosion-found-in-treated-radioactive-water-tanks-at-fukushima-plantTOKYO
Corrosion has been found on the inside of tanks used to store treated radioactive water at the crippled Fukushima Daiichi nuclear power plant, its operator has revealed.
Tokyo Electric Power Company Holdings Inc said there are no problems with the strength of the tanks, but added that some of the more than 1,000 containers at the plant were installed over 10 years ago and have aged over time.
A TEPCO official said the operator will continue to inspect the tanks.
The firm began releasing the treated water containing tritium from the plant into the Pacific Ocean in August 2023 despite backlash from local fisheries and China.
In March, corrosion and peeling paint were spotted in three empty tanks that have been in use since 2016 at the plant, which suffered meltdowns following the devastating earthquake and ensuing tsunami in March 2011.
As it is impossible to check the inside of tanks currently containing treated water, other than with the use of underwater robots, TEPCO conducts annual exterior inspections to detect any abnormalities.
Tanks that have been used for more than 10 years also have the thickness of their steel plates measured using ultrasonic waves to assess their strength, TEPCO said.
The Japanese government and TEPCO have said that the treated water released from the Fukushima plant is diluted to reduce the levels of tritium to less than one-40th of the country’s national safety standards.
Japan starts 5th ocean discharge of Fukushima nuclear-tainted wastewater despite opposition
(Xinhua) Web editor: Zhang Kaiwei, Liang Jun, April 19, 2024
TOKYO, April 19 (Xinhua) — Japan on Friday started the fifth-round of release of nuclear-contaminated wastewater from the crippled Fukushima Daiichi Nuclear Power Plant into the Pacific Ocean.
Despite opposition among local fishermen, residents as well as backlash from the international community, Tokyo Electric Power Company (TEPCO), the plant’s operator, started discharging the radioactive wastewater in the morning, the first round in fiscal 2024.
Similar to the previous four rounds, about 7,800 tons of the wastewater, which still contains tritium, a radioactive substance, will be discharged until May 7.
TEPCO analyzed the water stored in the tank scheduled for release, and found that the concentrations of all radioactive substances other than tritium were below the national release standards, while the concentration of tritium that cannot be removed will be diluted with seawater, Japanese newspaper Asahi Shimbun reported.
TEPCO will measure the concentration of radioactive substances such as tritium in the surrounding waters every day during the period to investigate the effects of the release, it added.
The Fukushima nuclear-contaminated water release began in August 2023, and a total of about 31,200 tons of the water was released in four rounds in fiscal 2023, which ended in March.
In fiscal 2024, TEPCO plans to discharge a total of 54,600 tons of contaminated water in seven rounds, which contains approximately 14 trillion becquerels of tritium.
1 This Month.
Let’s keep radioactive waste away from our river!
Nuclear Power? -Never again
(Switzerland –https://www.greenpeace.ch/de/handeln/atomkraft-nie-wieder/+)
PETITION – Close Down the Monticello Nuclear Reactor on the Mississippi River!
Now until to February 10, 2026 Radioactive waste storage in France: the debate is finally open! How to participate?
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